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OpenStudy (anonymous):
What is the vertex of the graph of y = –4(x + 2)2 + 5? (2, 5) (–2, 5) (5, –2) (5, 2)
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OpenStudy (caozeyuan):
this is opening down, convince yourself by grahing, so vertex has the max y. max is 5 if x+2=0, so x=-2
OpenStudy (4everaddicted2anime):
The answer is (-2,5)
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